Shimano BB-MT501 Hollowtech II Bottom Bracket | BSA 68/73 mm

Shimano BB-MT501 Hollowtech II Bottom Bracket | BSA 68/73 mm

Shimano BB-MT501 is a bottom bracket with a synthetic material cup that fits 24mm axle cranks. With the included spacers, it is suitable for both 73mm and 68mm width frames. Shimano recommends using BB-MT501 with Deore, ZEE, Alivio cranks, as well as many other models.

This bottom bracket features an optimized seal construction, enhancing durability and reliability. Steel bearings ensure smooth rotation. When paired with the appropriate crankset, this bottom bracket and its Hollowtech II technology ensure stability and efficiency during each pedal stroke, providing a pleasant feel with every turn.

Shimano Hollowtech II technology represents an advanced crankset and bottom bracket system aiming for an ideal balance of stiffness, weight, and rotational efficiency. The system integrates the bottom bracket with the right crank using a 24mm axle or spindle diameter, which is optimal for stability. High-quality bearing seals ensure long-lasting performance of the component.